R900938420  4WREE6E04-2X/G24K31/A1V伺服阀

R900938420  4WREE6E04-2X/G24K31/A1V   R900938420  4WREE6E04-2X/G24K31/A1V

R900938420  4WREE6E04-2X/G24K31/A1V   R900938420  4WREE6E04-2X/G24K31/A1V

R900938420  4WREE6E04-2X/G24K31/A1V   R900938420  4WREE6E04-2X/G24K31/A1V

联系人：冯洋   QQ: 840441766      
座机：021-60512080  手机：18717727483
邮箱：840441766@qq.com  
传真：021-55032832 请备注（FY）收

型号 4WREE...-2X/...

不带电气位置反馈，不带集成电子元件 (OBE) 的先导式二位四通和三位四通比例方向阀 
规格 6, 10 
组件系列 2X 
最大工作压力 315 bar 
最大流量 180 l/min 

特征：
调整体积流量的方向和大小 
用于底板安装：孔图按 ISO 4401 
弹簧定中的控制滑板

型号 4WREE...-2X/...
在阀板设计中两位四通及三位四通比例方向阀用作直动式设备。通过带对中螺纹和可拆卸线圈的比例电磁铁进行操作。通过集成电子元件控制线圈。

设置：
阀门的基本构成包括：
带连接面的壳体 (1)
带有压缩弹簧（3 和 4）与弹簧座（5 和 6）的控制阀芯 (2)
带对中螺纹的线圈（7 和 8）
位置传感器 (9) 
集成电子元件 (13)
可通过 Pg7 进行电气零电位调节 (12) 

功能：
线圈（7 和 8）断电后，位于弹簧座（5 和 6）之间的压缩弹簧（3 和 4）可将控制阀芯 (2) 置于中心位置
可通过控制比例电磁铁（例如，线圈“b”(8)）直接操作控制阀芯 (2)
→ 控制阀芯 (2) 与电气输入信号成比例地向左移动
→ 通过具有渐进
流体特性的节流横截面，进行从 P 到 A 及从 B 到 T 的连接
关闭线圈 (8)
→ 控制阀芯 (2) 在压缩弹簧 (3) 的作用下返回至中心位置 
在断电状态下，线圈的复位弹簧使得控制阀芯 (2) 保持在机械中心位置。使用带有符号“V”的控制阀芯时，此位置与液压中心位置不对应！电动阀控制环关闭时，控制阀芯将位于液压中心位置。 

重要注意事项：
PG 装配 (11) 不得打开。位于下方的调节螺母的机械调节已禁用，该操作会损坏阀门！
带两个阀芯位置的阀门：（型号 4WREE...A...）
基本上，此型号阀的功能与带三个阀芯位置的阀门功能相对应。但是，此双阀芯位置阀仅配有线圈“a”(7)。它配有保护塞 (10) 来代替第二个比例电磁铁。 

注意：
由于设计原理，阀内固有内部泄漏，泄漏量可能随着使用年限而增加。

注意：
不得让油箱管路排空运行。在相应的安装条件下，必须安装一个预载阀（预载压力约为 2 bar）

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